Display image for a mobile phone



FIG. 1 is a perspective view of a display image for a mobile phone; and,

FIG. 2 is a front view of a display image for a mobile phone of FIG. 1.

The broken line showing of portions of a mobile phone is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a display image for a mobile phone, as shown and described. 